EP1030490A3 - Verfahren und vorrichtung zur bitverteilung in einem diskret-mehrton-system - Google Patents

Verfahren und vorrichtung zur bitverteilung in einem diskret-mehrton-system Download PDF

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Publication number
EP1030490A3
EP1030490A3 EP99122056A EP99122056A EP1030490A3 EP 1030490 A3 EP1030490 A3 EP 1030490A3 EP 99122056 A EP99122056 A EP 99122056A EP 99122056 A EP99122056 A EP 99122056A EP 1030490 A3 EP1030490 A3 EP 1030490A3
Authority
EP
European Patent Office
Prior art keywords
subchannel
bit allocation
communication device
gain scaling
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP99122056A
Other languages
English (en)
French (fr)
Other versions
EP1030490A2 (de
Inventor
Samir Kapoor
Prashant Choudhary
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC USA Inc
Original Assignee
NEC USA Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC USA Inc filed Critical NEC USA Inc
Publication of EP1030490A2 publication Critical patent/EP1030490A2/de
Publication of EP1030490A3 publication Critical patent/EP1030490A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H04L5/0046—Determination of how many bits are transmitted on different sub-channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1438—Negotiation of transmission parameters prior to communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
EP99122056A 1999-02-18 1999-11-17 Verfahren und vorrichtung zur bitverteilung in einem diskret-mehrton-system Withdrawn EP1030490A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US252418 1999-02-18
US09/252,418 US6516027B1 (en) 1999-02-18 1999-02-18 Method and apparatus for discrete multitone communication bit allocation

Publications (2)

Publication Number Publication Date
EP1030490A2 EP1030490A2 (de) 2000-08-23
EP1030490A3 true EP1030490A3 (de) 2002-05-08

Family

ID=22955925

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99122056A Withdrawn EP1030490A3 (de) 1999-02-18 1999-11-17 Verfahren und vorrichtung zur bitverteilung in einem diskret-mehrton-system

Country Status (3)

Country Link
US (1) US6516027B1 (de)
EP (1) EP1030490A3 (de)
JP (1) JP2000244587A (de)

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AU2015200087A1 (en) * 2000-01-07 2015-02-05 Tq Delta, Llc Diagnostic methods and systems for multicarrier modems
KR100690111B1 (ko) * 2000-01-07 2007-03-08 어웨어, 인크. 진단전송모드를 개설하고 이 모드상에서 통신하기 위한시스템 및 방법
DE10014676C2 (de) * 2000-03-24 2002-02-07 Polytrax Inf Technology Ag Datenübertragung über ein Stromversorgungsnetz
US7496924B2 (en) * 2000-03-27 2009-02-24 Siemens Communications, Inc. Dispatching messages among registered software modules in telecommunications system including telephony internet server coupled between packet network and PBX
KR20020087990A (ko) * 2000-04-18 2002-11-23 어웨어, 인크. 가변 신호대 잡음비 실행한계를 갖는 데이터 할당
US6704367B1 (en) * 2000-07-26 2004-03-09 Proscend Communications Inc. Optimal discrete loading algorithm for DMT modulation
US7103096B2 (en) * 2000-10-12 2006-09-05 3Com Corporation Performance evaluation of multicarrier channels with forward error correction and automatic retransmission request
US7131038B2 (en) * 2000-10-12 2006-10-31 3Com Corporation Performance evaluation of multicarrier channels
US7672381B1 (en) * 2000-10-17 2010-03-02 Motorola, Inc. Method of multiple-carrier communication within a noncontiguous wideband spectrum and apparatus therefor
US6922397B1 (en) * 2001-01-16 2005-07-26 Broadcom Corporation Selectable training signals based on stored previous connection information for DMT-based system
US6718493B1 (en) 2001-05-17 2004-04-06 3Com Corporation Method and apparatus for selection of ARQ parameters and estimation of improved communications
US7263130B1 (en) * 2001-05-25 2007-08-28 3Com Corporation Method and apparatus for evaluating error control parameters of self-similar constellations
US7158563B2 (en) * 2001-06-01 2007-01-02 The Board Of Trustees Of The Leland Stanford Junior University Dynamic digital communication system control
US20030097623A1 (en) * 2001-10-24 2003-05-22 Javad Razavilar Method and apparatus for performance optimization and adaptive bit loading for wireless modems with convolutional coder, FEC, CRC and ARQ
US6760370B2 (en) * 2002-04-03 2004-07-06 Interdigital Technology Corporation Low bias method for estimating small signal-to-noise ratio
US7039004B2 (en) * 2002-10-01 2006-05-02 Atheros Communications, Inc. Decision feedback channel estimation and pilot tracking for OFDM systems
WO2004102915A1 (en) * 2003-05-16 2004-11-25 Matsushita Electric Industrial Co., Ltd. Transmitting/receiving apparatus and corresponding method for a communication network
US7508869B2 (en) * 2004-05-27 2009-03-24 Lsi Corporation Apparatus method and system for characterizing a communication channel and increasing data throughput
US7889692B2 (en) * 2004-09-30 2011-02-15 Alcatel-Lucent Usa, Inc. Packet error rate estimation in a communication system
US7400720B2 (en) * 2004-10-05 2008-07-15 Sbc Knowledge Ventures, L.P. System and method for optimizing digital subscriber line based services
JP4552635B2 (ja) * 2004-12-07 2010-09-29 日本電気株式会社 マルチキャリア伝送装置及びマルチキャリア伝送方法
US7653139B2 (en) * 2005-12-23 2010-01-26 Ikanos Communications, Inc. Bit-loading method and system for a DMT transceiver
JP4732193B2 (ja) * 2006-03-01 2011-07-27 住友電工ネットワークス株式会社 通信装置、通信システムおよび通信方法
EP2062062B1 (de) * 2006-09-15 2019-04-17 Ikanos Communications, Inc. Verfahren und vorrichtung für robustheit differenzierter kommunikationskanäle in multiton-transceiver
JP5656633B2 (ja) * 2007-08-16 2015-01-21 イカノス・コミュニケーションズ・インコーポレーテッド マルチトーン・トランシーバにおけるビット誤り判定のための方法および装置
ITTO20070850A1 (it) * 2007-11-26 2009-05-27 Dora Spa "procedimento per la trasmissione su sistemi di comunicazione a portanti multiple, trasmettitore e prodotto informatico relativi"
JP5009423B2 (ja) * 2011-03-18 2012-08-22 住友電工ネットワークス株式会社 ｘＤＳＬ装置、通信システムおよび通信方法
EP2941866A4 (de) * 2013-01-04 2016-06-01 Intel Corp Codierungseinheit mit bitzahlbegrenzung
WO2015100651A1 (zh) * 2013-12-31 2015-07-09 华为技术有限公司 正交频分复用无源光网络注册激活方法、装置和系统

Citations (4)

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Publication number Priority date Publication date Assignee Title
US5400322A (en) * 1993-08-20 1995-03-21 Amati Communications Corp. Updating of bit allocations in a multicarrier modulation transmission system
US5479447A (en) * 1993-05-03 1995-12-26 The Board Of Trustees Of The Leland Stanford, Junior University Method and apparatus for adaptive, variable bandwidth, high-speed data transmission of a multicarrier signal over digital subscriber lines
US5596604A (en) * 1993-08-17 1997-01-21 Amati Communications Corporation Multicarrier modulation transmission system with variable delay
WO1998010545A1 (en) * 1996-09-02 1998-03-12 Telia Ab Improvements in, or relating to, multi-carrier transmission systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0753947B1 (de) * 1995-07-11 2002-11-27 Alcatel Kapazitätszuweisung in einem Mehrträgersystem
US6130882A (en) * 1997-09-25 2000-10-10 Motorola, Inc. Method and apparatus for configuring a communication system
US6275522B1 (en) * 1998-01-14 2001-08-14 Motorola, Inc. Method for allocating data and power in a discrete, multi-tone communication system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5479447A (en) * 1993-05-03 1995-12-26 The Board Of Trustees Of The Leland Stanford, Junior University Method and apparatus for adaptive, variable bandwidth, high-speed data transmission of a multicarrier signal over digital subscriber lines
US5596604A (en) * 1993-08-17 1997-01-21 Amati Communications Corporation Multicarrier modulation transmission system with variable delay
US5400322A (en) * 1993-08-20 1995-03-21 Amati Communications Corp. Updating of bit allocations in a multicarrier modulation transmission system
WO1998010545A1 (en) * 1996-09-02 1998-03-12 Telia Ab Improvements in, or relating to, multi-carrier transmission systems

Also Published As

Publication number Publication date
JP2000244587A (ja) 2000-09-08
US6516027B1 (en) 2003-02-04
EP1030490A2 (de) 2000-08-23

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